CN113477795A

CN113477795A - Four-side punching device for hollow pipe processing

Info

Publication number: CN113477795A
Application number: CN202110802931.3A
Authority: CN
Inventors: 杜晓峰
Original assignee: Shenzhen Hawaii International Trade Co ltd
Current assignee: Shenzhen Hawaii International Trade Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2021-10-08

Abstract

The invention relates to the technical field of pipe processing accessories, in particular to a four-side punching device for hollow pipe processing, which has a simple structure, can automatically punch holes in four directions of a hollow pipe, can clean chips generated in punching, and reduces the use limitation; including the workstation, four angle departments of workstation bottom all are provided with the landing leg, fixedly connected with platform on four landing legs, workstation top fixedly connected with motor and base, the base include with workstation top fixed connection's base and with base fixed connection's plectane, the equidistance is provided with four rectangular holes on the plectane, every rectangular hole department equal slidable mounting has H type slider, H type slider rear end fixedly connected with transition axle, the rotation of transition axle rear end installs V type wheel, plectane central zone is provided with the through-hole, through-hole department fixedly connected with hollow shaft, the equidistance is provided with four through holes on the hollow shaft, the hollow shaft outside is provided with first bearing, first bearing outer lane fixedly connected with first gear.

Description

Four-side punching device for hollow pipe processing

Technical Field

The invention relates to the technical field of pipe processing auxiliary devices, in particular to a four-side punching device for processing a hollow pipe.

Background

A hollow tube is a steel material having a hollow cross-section with a length much greater than the diameter or circumference. The section of the pipe is divided into round, square, rectangular and special-shaped pipes; the material is divided into a steel pipe and a plastic pipe; the method is divided into the methods for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machine manufacturing, geological drilling and high-pressure equipment according to the application.

At present, the hollow tube is when using, often need punch in four directions of certain department of hollow tube, among the prior art, mostly adopt installation actuating mechanism on four directions to the last drilling equipment of installation of actuating mechanism, remove through actuating mechanism control drilling equipment, accomplish and punch, this kind of mode cost is higher, still need manual control actuating mechanism to control drilling equipment's displacement, perhaps use complicated parameter to control, cause certain use limitation.

Disclosure of Invention

In order to solve the technical problem, the invention provides a four-side punching device for hollow tube processing, which is simple in structure, can automatically punch holes in four directions of a hollow tube, can clean up scraps generated in punching, and reduces use limitation.

The invention discloses a four-side punching device for hollow tube processing, which comprises a workbench, wherein four corners at the bottom of the workbench are respectively provided with a supporting leg, the four supporting legs are fixedly connected with a platform, the top of the workbench is fixedly connected with a motor and a base, the base comprises a base fixedly connected with the top of the workbench and a circular plate fixedly connected with the base, four strip holes are equidistantly arranged on the circular plate, an H-shaped sliding block is slidably arranged at each strip hole, the rear end of the H-shaped sliding block is fixedly connected with a transition shaft, the rear end of the transition shaft is rotatably provided with a V-shaped wheel, the central area of the circular plate is provided with a through hole, the through hole is fixedly connected with a hollow shaft, four through holes are equidistantly arranged on the hollow shaft, a first bearing is arranged outside the hollow shaft, a first gear is fixedly connected with the outer ring of the first bearing, one side of the first gear, which is close to the base, is provided with an annular groove, and the annular groove comprises a section with the same radius, The radius reducing section and the radius increasing section are respectively provided with an outer V-shaped track at one end of the inner wall of the ring groove far away from the circle center, an inner V-shaped track is arranged at one end of the inner wall of the ring groove near the circle center, the V-shaped wheels are in rolling fit with the outer V-shaped tracks and the inner V-shaped tracks, the output end of the motor is provided with a second gear meshed with the first gear, the front end of the H-shaped slide block is fixedly connected with a fixed plate, the middle part of the fixed plate is provided with a square hole, an adjusting plate is slidably mounted at the square hole, a punch is arranged at one end of the adjusting plate near the hollow shaft and extends into the hollow shaft along the through hole, a door-shaped frame is fixedly connected at one end of the fixed plate far away from the hollow shaft and is provided with a second bearing, a threaded rod is arranged on the inner ring of the second bearing, a square cavity is internally provided with a square rod which is slidably mounted, the threaded rod is in threaded connection with the adjusting plate, and a connecting shaft is fixedly connected at one end of the square rod far away from the hollow shaft, the utility model discloses a hydraulic pressure drilling machine, including the plectane front side fixedly connected with first ring, four third bearings are equidistantly installed on first ring, the connecting axle is connected with the third bearing inner circle, hollow shaft one end fixedly connected with bevel gear is kept away from to the connecting axle, fixedly connected with second ring on the plectane front side wall, second ring inner circle is provided with the fourth bearing, fourth bearing inner circle is provided with the swivel becket, the swivel becket front end is provided with the fluted disc, the fluted disc front side wall is provided with the tooth with bevel gear meshing, and be located and be provided with anti-reversing structure on the fixed plate at top, be provided with piece attraction structure on the platform, be provided with work piece clamping structure on the workstation, fixedly connected with the action bars on the fluted disc, threaded connection has the screw on the action bars, be provided with a plurality of spacing grooves before the plectane on the plectane, the screw inserts to one of them spacing inslot.

The invention relates to a four-side perforating device for hollow tube processing, which comprises a ratchet wheel, an anti-reversing rod, a connecting plate, a spring, a baffle, a fixing frame, an L-shaped pin, a connecting ring and a pull ring, wherein the ratchet wheel is fixedly connected with a non-threaded area of a threaded rod, one end of the anti-reversing rod, which is close to the ratchet wheel, is in an inclined plane shape, the connecting plate is fixedly connected with the door-shaped frame, a communicating hole is formed in the connecting plate, the anti-reversing rod is in sliding connection with the communicating hole, a limiting ring is fixedly connected to the anti-reversing rod, the spring is sleeved on the anti-reversing rod, two ends of the spring are respectively in close contact with the limiting ring and the connecting plate, the other end of the anti-reversing rod is connected with the baffle, the baffle is in contact with the connecting plate, the connecting ring is connected with the baffle, the pull ring penetrates through the connecting ring, the top of the anti-reversing rod is provided with a slot, the fixing frame is connected with the door-shaped frame, the L-shaped pin penetrates through the fixing frame, and the bottom of the L-shaped pin is in an inverted cone shape.

The four-side punching device for hollow pipe processing comprises a hollow box body placed on a platform, wherein an induced draft fan is arranged at the top of the box body, the input end of the induced draft fan is communicated with a pipeline, the pipeline comprises an inclined section and a vertical section, the bottom of the inclined section is communicated with a containing box, a cover plate is arranged at the bottom of the containing box, the input end of the pipeline is communicated with the rear end of the hollow shaft, an inclined filter screen is arranged in the box body, one side of the box body, close to the bottom end of the filter screen, is communicated with a discharge hole, the other side walls of the box body are communicated with air outlets, and the inner bottom of the hollow shaft has a certain gradient.

The four-side punching device for hollow tube processing comprises a lifting plate, telescopic rods are arranged at four corners of the bottom of the lifting plate, the other ends of the telescopic rods are connected with a workbench, a first air cylinder is arranged in the central area of the bottom of the lifting plate, the bottom end of the first air cylinder is connected with the workbench, transverse plates are arranged on the front side and the rear side of the top of the lifting plate, a second air cylinder is arranged on the transverse plates, a pressing plate is arranged at the output end of the second air cylinder, and a cushion is arranged on one side, far away from the second air cylinder, of the pressing plate.

According to the four-side punching device for processing the hollow pipe, the lower mounting plate is arranged at one end, away from the hollow shaft, of the punch, the upper mounting plate is arranged at the bottom of the adjusting plate, and the upper mounting plate and the lower mounting plate are connected through a plurality of bolts and nuts.

The four-side punching device for processing the hollow pipe is characterized in that a square groove is formed in the front end of a screw.

According to the four-side punching device for hollow pipe processing, the front side wall of each fixing plate is provided with a notch, the front side wall of each fixing plate is provided with a steel plate ruler, and the front end of each adjusting plate is fixedly connected with a pointer which extends out of the fixing plate along the notch and points to the scales of the steel plate ruler.

According to the four-side punching device for processing the hollow pipe, the bottom of the supporting leg is provided with the anti-skid grains.

Compared with the prior art, the invention has the beneficial effects that: the base connects the hollow shaft and the workbench into a whole, the first gear is rotationally connected with the hollow shaft through the first bearing, the second gear is meshed with the first gear, the annular groove, the outer V-shaped track, the inner V-shaped track and the like are rotated after the first motor is electrified, the H-shaped slide block is slidably connected with the long hole on the annular plate due to the fixed position of the annular plate, so that the V-shaped wheel is driven to rotate when the outer V-shaped track and the inner V-shaped track rotate, the annular groove comprises a radius consistent section, a radius reduced section and a radius increased section, the outer V-shaped track and the inner V-shaped track are matched with the annular groove, so that the H-shaped slide block does not act when the V-shaped wheel passes through the radius consistent section, and the V-shaped wheel passes through the radius reduced section and the radius increased section, so that the V-shaped wheel, the transition shaft and the H-shaped slide block are enabled to rotate, The fixed plate and the punch head perform reciprocating movement, the square rod and the threaded rod slide to adapt to the displacement of the fixed plate in the reciprocating movement process of the punch head, the rotating ring, the fluted disc, the operating rod and the screw can rotate under the matching of the second circular ring and the fourth bearing, the connecting shaft, the square rod and the bevel gear can rotate under the matching of the first circular ring and the third bearing, the fluted disc is meshed with the four bevel gears, so that the threaded rod can be driven to rotate when the operating rod is held to rotate the fluted disc, the threaded rod is in threaded connection with the adjusting plate, the adjusting plate is in sliding connection with the fixed plate, so that the adjusting plate can synchronously move by rotating the fluted disc, the distance between the punch head and a pipe to be punched is adjusted, the punch head can be suitable for punching in four directions of pipes with more sizes, and after the position of the punch head is adjusted, the screw is inserted into a nearby limiting groove by rotating the screw, fixing the position of the gear disc so as to fix the position of the punch, and propping against the counter-acting force of the punch in punching by arranging an anti-reverse structure; during normal use, the pipe that will wait the four sides to punch a hole is pressed tightly through the work piece clamping structure, and with the pipe wait to punch a hole the department and stretch into drift department, then according to the size of pipe, the rotatory action bars makes the fluted disc rotate and adjust the interval of each drift and pipe, then insert the screw into a spacing inslot nearby, then open the motor and make first gear, outer V type track and interior V type track rotate, the radius of ring channel reduces the section and the radius increases the section and passes through four V type wheels successively, make four V type wheels take place reciprocal displacement successively, thereby accomplish the action of punching a hole to four directions of pipe, for prior art's mode, this device simple structure, and need not complicated operation or control procedure, and the drift interval is adjustable to adapt to the pipe of more sizes and punch a hole on four sides, use limitation has been reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top perspective view of the left rear side of the present invention;

FIG. 3 is a top perspective view of the front left side of the present invention;

FIG. 4 is a partial enlarged view of portion A of FIG. 3;

FIG. 5 is a partial enlarged view of portion B of FIG. 3;

FIG. 6 is a partial enlarged view of portion C of FIG. 3;

FIG. 7 is an enlarged view of a portion D of FIG. 3;

FIG. 8 is a top right front side perspective view of the motor, H-shaped slide, transition shaft, V-shaped wheel, first bearing, first gear, uniform radius section, reduced radius section, increased radius section, outer V-shaped track, inner V-shaped track, second gear, and anti-backup feature;

FIG. 9 is a rear view showing the connection of the circular plate, the H-shaped slider, the transition shaft, the V-shaped wheel and the hollow shaft;

FIG. 10 is a schematic view showing the connection of a circular plate, a first ring, a second ring, a fourth bearing and a rotating ring;

in the drawings, the reference numbers: 1. a work table; 2. a platform; 3. a motor; 4. a base; 5. a circular plate; 6. an H-shaped slider; 7. a transition shaft; 8. a V-shaped wheel; 9. a hollow shaft; 10. a through hole; 11. a first bearing; 12. a first gear; 13. a radius consistent section; 14. a radius reduction section; 15. a radius increasing section; 16. an outer V-shaped track; 17. an inner V-shaped track; 18. a second gear; 19. a fixing plate; 20. an adjusting plate; 21. a punch; 22. a gantry frame; 23. a second bearing; 24. a threaded rod; 25. a square rod; 26. a connecting shaft; 27. a first circular ring; 28. a third bearing; 29. a bevel gear; 30. a second circular ring; 31. a fourth bearing; 32. a rotating ring; 33. a fluted disc; 34. an operating lever; 35. a screw; 36. a limiting groove; 37. a ratchet wheel; 38. an anti-backup lever; 39. a connecting plate; 40. a spring; 41. a baffle plate; 42. a fixed mount; 43. an L-shaped pin; 44. a connecting ring; 45. a pull ring; 46. a limiting ring; 47. a slot; 48. a box body; 49. an induced draft fan; 50. a pipeline; 51. a containing box; 52. a cover plate; 53. a filter screen; 54. a lifting plate; 55. a telescopic rod; 56. a first cylinder; 57. a second cylinder; 58. a lower mounting plate; 59. a pointer; 60. a steel plate ruler.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

As shown in figures 1 to 10, the four-side punching device for hollow tube processing comprises a workbench 1, wherein four corners of the bottom of the workbench 1 are respectively provided with a supporting leg, the four supporting legs are fixedly connected with a platform 2, the top of the workbench 1 is fixedly connected with a motor 3 and a base, the base comprises a base 4 fixedly connected with the top of the workbench 1 and a circular plate 5 fixedly connected with the base 4, the circular plate 5 is provided with four long strip holes at equal intervals, each long strip hole is provided with an H-shaped sliding block 6 in a sliding manner, the rear end of the H-shaped sliding block 6 is fixedly connected with a transition shaft 7, the rear end of the transition shaft 7 is rotatably provided with a V-shaped wheel 8, the central area of the circular plate 5 is provided with a through hole, the through hole is fixedly connected with a hollow shaft 9, the hollow shaft 9 is provided with four through holes 10 at equal intervals, the exterior of the hollow shaft 9 is provided with a first bearing 11, the outer ring of the first bearing 11 is fixedly connected with a first gear 12, one side of a first gear 12 close to a base is provided with an annular groove, the annular groove comprises a radius consistent section 13, a radius reduced section 14 and a radius increased section 15, one end of the inner wall of the annular groove far away from the circle center is provided with an outer V-shaped track 16, one end of the inner wall of the annular groove close to the circle center is provided with an inner V-shaped track 17, a V-shaped wheel 8 is in rolling fit with the outer V-shaped track 16 and the inner V-shaped track 17, the output end of a motor 3 is provided with a second gear 18 meshed with the first gear 12, the front end of an H-shaped sliding block 6 is fixedly connected with a fixing plate 19, the middle part of the fixing plate 19 is provided with a square hole, an adjusting plate 20 is slidably installed at the square hole, one end of the adjusting plate 20 close to a hollow shaft 9 is provided with a punch 21, the punch 21 extends into the hollow shaft 9 along the through hole, one end of the fixing plate 19 far away from the hollow shaft 9 is fixedly connected with a door-shaped frame 22, the door-shaped frame 22 is provided with a second bearing threaded rod 23, and the inner ring of the second bearing 23 is provided with a 24, a square cavity is arranged inside the threaded rod 24, a square rod 25 is slidably arranged in the square cavity, the threaded rod 24 is in threaded connection with the adjusting plate 20, one end, away from the hollow shaft 9, of the square rod 25 is fixedly connected with a connecting shaft 26, the front side of the circular plate 5 is fixedly connected with a first circular ring 27, four third bearings 28 are equidistantly arranged on the first circular ring 27, the connecting shaft 26 is connected with inner rings of the third bearings 28, one end, away from the hollow shaft 9, of the connecting shaft 26 is fixedly connected with a bevel gear 29, the front side wall of the circular plate 5 is fixedly connected with a second circular ring 30, a fourth bearing 31 is arranged on the inner ring of the second circular ring 30, a rotating ring 32 is arranged on the inner ring of the fourth bearing 31, a fluted disc 33 is arranged at the front end of the rotating ring 32, teeth meshed with the bevel gear 29 are arranged on the front side wall of the fluted disc 33, an anti-rotation structure is arranged on the fixing plate 19 positioned at the top, a scrap suction structure is arranged on the platform 2, and a workpiece clamping structure is arranged on the workbench 1, an operating rod 34 is fixedly connected to the fluted disc 33, a screw 35 is connected to the operating rod 34 in a threaded manner, a plurality of limiting grooves 36 are formed in the front side wall of the circular plate 5, and the screw 35 is inserted into one of the limiting grooves 36;

the base connects the hollow shaft 9 and the workbench 1 into a whole, because the first gear 12 is connected with the hollow shaft 9 through the first bearing 11 in a rotating way, and the second gear 18 is meshed with the first gear 12, after the first motor 3 is electrified, the first gear 12, the annular groove, the outer V-shaped track 16, the inner V-shaped track 17 and the like are rotated, because the circular plate 5 is fixed in position, the H-shaped slide block 6 is connected with the long hole on the circular plate 5 in a sliding way, when the outer V-shaped track 16 and the inner V-shaped track 17 rotate, the V-shaped wheel 8 is driven to rotate, because the annular groove comprises a radius consistent section 13, a radius reduced section 14 and a radius increased section 15, and the outer V-shaped track 16 and the inner V-shaped track 17 are matched with the annular groove, when the V-shaped wheel 8 passes through the radius consistent section 13, the H-shaped slide block 6 does not act, when the V-shaped wheel 8 passes through the radius reduced section 14 and the radius increased section 15, so that the V-shaped wheel 8, the transition shaft 7, the H-shaped slider 6, the fixing plate 19 and the punch 21 reciprocate, the square rod 25 slides with the threaded rod 24 to adapt to the displacement of the fixing plate 19 in the reciprocating process of the punch 21, the rotating ring 32, the fluted disc 33, the operating rod 34 and the screw 35 can rotate under the matching of the second ring 30 and the fourth bearing 31, the connecting shaft 26, the square rod 25 and the bevel gear 29 can rotate under the matching of the first ring 27 and the third bearing 28, the fluted disc 33 is meshed with the four bevel gears 29, so that the threaded rod 24 is driven to rotate when the operating rod 34 is held to rotate the fluted disc 33, the threaded rod 24 is in threaded connection with the adjusting plate 20, the adjusting plate 20 is in sliding connection with the fixing plate 19, the adjusting plate 20 can synchronously move by rotating the fluted disc 33, and the distance from the punch 21 to the pipe to be punched is adjusted, the punch 21 is suitable for punching holes of pipes with more sizes in four directions, after the position of the punch 21 is adjusted, the screw 35 is rotated to enable the screw 35 to be inserted into a nearby limiting groove 36, the position of the gear disc 33 is fixed, the position of the punch 21 is fixed, and the anti-reversing structure is arranged to abut against the counter-acting force of the punch 21 during punching; when in normal use, the pipe to be punched on four sides is clamped through the workpiece clamping structure, the part of the pipe to be punched is extended into the punch 21, then, according to the size of the pipe, the teeth plate 33 is rotated by rotating the operating rod 34 to adjust the distance between each punch 21 and the pipe, then a screw 35 is inserted into a nearby limit groove 36, then the motor 3 is started to enable the first gear 12, the outer V-shaped track 16 and the inner V-shaped track 17 to rotate, the radius reduction section 14 and the radius increase section 15 of the annular groove sequentially pass through the four V-shaped wheels 8, the four V-shaped wheels 8 are enabled to generate reciprocating displacement sequentially, thereby completing the punching action of the tube in four directions, compared with the prior art, the device has simple structure, and no complicated operation or control program is needed, and the distance between the punches 21 can be adjusted to adapt to pipes with more sizes for four-side punching, so that the use limitation is reduced.

The invention relates to a four-side perforating device for hollow tube processing, which comprises a ratchet wheel 37, an anti-reversing rod 38, a connecting plate 39, a spring 40, a baffle plate 41, a fixing frame 42, an L-shaped pin 43, a connecting ring 44 and a pull ring 45, wherein the ratchet wheel 37 is fixedly connected with a non-threaded area of a threaded rod 24, one end of the anti-reversing rod 38 close to the ratchet wheel 37 is in an inclined plane shape, the connecting plate 39 is fixedly connected with a door-shaped frame 22, a communicating hole is arranged on the connecting plate 39, the anti-reversing rod 38 is in sliding connection with the communicating hole, a limiting ring 46 is fixedly connected on the anti-reversing rod 38, the spring 40 is sleeved on the anti-reversing rod 38, two ends of the spring 40 are respectively in close contact with the limiting ring 46 and the connecting plate 39, the other end of the anti-reversing rod 38 is connected with the baffle plate 41, the baffle plate 41 is in contact with the connecting plate 39, the connecting ring 44 is connected with the baffle plate 41, the pull ring 45 penetrates through the connecting ring 44, the top of the anti-reversing rod 38 is provided with a slot 47, the fixing frame 42 is connected with the door-reversing frame 22, the L-shaped pin 43 penetrates through the fixed frame 42, and the bottom of the L-shaped pin 43 is in an inverted cone shape; the principle of the anti-reverse structure is as follows: when the threaded rod 24 rotates, the ratchet wheel 37 is driven to rotate, because one end of the anti-reverse rod 38 is in an inclined plane shape, when the ratchet wheel 37 rotates clockwise, the anti-reverse rod 38 clamps the ratchet wheel 37, so that the ratchet wheel 37 cannot rotate clockwise, and the counter acting force applied to the adjusting plate 20 is resisted, when the threaded rod 24 and the ratchet wheel 37 rotate anticlockwise, the anti-reverse rod 38 moves reciprocally under the action of the elastic force of the spring 40, the adjusting plate 20 moves downwards due to the anticlockwise rotation of the threaded rod 24, when the adjusting plate 20 needs to move upwards, the pull ring 45 is pulled firstly to move the anti-reverse rod 38 to the right, then the L-shaped pin 43 is inserted into the slot 47, and then the adjusting plate 20 is driven to move by rotating the fluted disc 33.

The invention relates to a four-side punching device for hollow pipe processing, wherein a scrap suction structure comprises a hollow box body 48 placed on a platform 2, an induced draft fan 49 is arranged at the top of the box body 48, the input end of the induced draft fan 49 is communicated with a pipeline 50, the pipeline 50 comprises an inclined section and a vertical section, the bottom of the inclined section is communicated with a containing box 51, a cover plate 52 is arranged at the bottom of the containing box 51, the input end of the pipeline 50 is communicated with the rear end of a hollow shaft 9, an inclined filter screen 53 is arranged in the box body 48, one side of the box body 48, which is close to the bottom end of the filter screen 53, is communicated with a discharge hole, the rest side walls of the box body 48 are communicated with air outlets, and the inner bottom of the hollow shaft 9 has a certain gradient; the debris-attracting structure operates as follows: during normal work, open draught fan 49, and the interior bottom of hollow shaft 9 has a grade, under the drive of gravity and air, the piece and the blanking that punch a hole and produce move along pipeline 50, and blanking weight is great drops to holding in the case 51, regularly open apron 52 take out can, the piece drops on filter screen 53 then takes out by the discharge gate.

The four-side punching device for hollow tube processing comprises a lifting plate 54, wherein four corners of the bottom of the lifting plate 54 are respectively provided with a telescopic rod 55, the other end of the telescopic rod 55 is connected with a workbench 1, a first air cylinder 56 is arranged in the central area of the bottom of the lifting plate 54, the bottom end of the first air cylinder 56 is connected with the workbench 1, transverse plates are arranged on the front side and the rear side of the top of the lifting plate 54, a second air cylinder 57 is arranged on each transverse plate, the output end of the second air cylinder 57 is provided with a pressing plate, and a cushion is arranged on one side of each pressing plate, which is far away from the second air cylinder 57; the principle of the workpiece clamping structure is as follows: when the tube is placed on the elevator plate 54, two second cylinders 57 are operated to cause the pressure plate and cushion to clamp the tube, and the first cylinder 56 is operated to adjust the height of the elevator plate 54 and the tube according to the size of the tube.

According to the four-side punching device for hollow tube processing, one end, away from a hollow shaft 9, of a punch 21 is provided with a lower mounting plate 58, the bottom of an adjusting plate 20 is provided with an upper mounting plate, and the upper mounting plate and the lower mounting plate 58 are connected through a plurality of bolts and nuts; through above-mentioned connected mode, be convenient for change drift 21, improve the convenience of use.

According to the four-side punching device for processing the hollow pipe, the front end of the screw 35 is provided with the square groove; through setting up square groove, be more convenient for rotate screw 35.

According to the four-side punching device for hollow pipe processing, a notch is formed in the front side wall of each fixing plate 19, a steel plate ruler 60 is arranged on the front side wall of each fixing plate 19, and a pointer 59 which extends out of the fixing plates 19 along the notch and points to the scales of the steel plate ruler 60 is fixedly connected to the front end of each adjusting plate 20; through setting up steel plate ruler 60, drive pointer 59 and remove when regulating plate 20 removes, the user is more convenient for know drift 21's displacement through pointer 59 directive steel plate ruler 60 scale, improves the convenience of use.

According to the four-side punching device for processing the hollow pipe, the bottom of the supporting leg is provided with the anti-skid grains; through setting up anti-skidding line, increase the frictional force of landing leg and ground.

The invention relates to a four-side punching device for hollow tube processing, a hollow shaft 9 and a workbench 1 are connected by a base, the three are integrated, a first gear 12 is rotationally connected with the hollow shaft 9 through a first bearing 11, and a second gear 18 is meshed with the first gear 12, so that after the first motor 3 is electrified, the first gear 12, an annular groove, an outer V-shaped track 16, an inner V-shaped track 17 and the like are rotated, an H-shaped slide block 6 is in sliding connection with a long hole on the circular plate 5 because the position of the circular plate 5 is fixed, so that the V-shaped wheel 8 is driven to rotate when the outer V-shaped track 16 and the inner V-shaped track 17 rotate, and the H-shaped slide block 6 does not act when the V-shaped wheel 8 passes through the radius consistent section 13 because the annular groove comprises the radius consistent section 13, the radius reduced section 14 and the radius increased section 15, and the outer V-shaped track 16 and the inner V-shaped track 17 are matched with the annular groove, when the V-wheel 8 passes through the reduced radius section 14 and the increased radius section 15, the V-wheel 8, the transition shaft 7, the H-shaped slider 6, the fixing plate 19 and the punch 21 reciprocate, during the reciprocating movement of the punch 21, the square rod 25 slides along the threaded rod 24 to adapt to the displacement of the fixing plate 19, the rotating ring 32, the toothed disc 33, the operating rod 34 and the screw 35 can rotate under the cooperation of the second ring 30 and the fourth bearing 31, the connecting shaft 26, the square rod 25 and the bevel gear 29 can rotate under the cooperation of the first ring 27 and the third bearing 28, the toothed disc 33 is engaged with the four bevel gears 29, so that the threaded rod 24 is driven to rotate when the toothed disc 33 rotates by holding the operating rod 34, the threaded rod 24 is in threaded connection with the adjusting plate 20, and the adjusting plate 20 is in sliding connection with the fixing plate 19, so that the adjusting plate 20 can synchronously move by rotating the toothed disc 33, after the position of the punch 21 is adjusted, the screw 35 is rotated to enable the screw 35 to be inserted into a limit groove 36 nearby, and the position of the disc 33 is fixed, so that the position of the punch 21 is fixed, and the anti-reverse structure is arranged to abut against the counter-acting force applied to the punch 21 in the punching process; when in normal use, the pipe to be punched on four sides is clamped through the workpiece clamping structure, the part of the pipe to be punched is extended into the punch 21, then, according to the size of the pipe, the teeth plate 33 is rotated by rotating the operating rod 34 to adjust the distance between each punch 21 and the pipe, then a screw 35 is inserted into a nearby limit groove 36, then the motor 3 is started to enable the first gear 12, the outer V-shaped track 16 and the inner V-shaped track 17 to rotate, the radius reduction section 14 and the radius increase section 15 of the annular groove sequentially pass through the four V-shaped wheels 8, the four V-shaped wheels 8 are enabled to generate reciprocating displacement sequentially, thereby completing the punching action of the tube in four directions, compared with the prior art, the device has simple structure, complicated operation or control programs are not needed, and the distance between the punches 21 can be adjusted to adapt to pipes with more sizes for four-side punching, so that the use limitation is reduced;

the principle of the anti-reverse structure is as follows: when the threaded rod 24 rotates, the ratchet wheel 37 is driven to rotate, and one end of the anti-reversing rod 38 is in an inclined plane shape, so that when the ratchet wheel 37 rotates clockwise, the anti-reversing rod 38 clamps the ratchet wheel 37 to prevent the ratchet wheel 37 from rotating clockwise, so as to support the reaction force applied to the adjusting plate 20, when the threaded rod 24 and the ratchet wheel 37 rotate anticlockwise, the anti-reversing rod 38 moves reciprocally under the action of the elastic force of the spring 40, the threaded rod 24 rotates anticlockwise to enable the adjusting plate 20 to move downwards, when the adjusting plate 20 needs to move upwards, the pull ring 45 is pulled to enable the anti-reversing rod 38 to move rightwards, the L-shaped pin 43 is inserted into the slot 47, and then the adjusting plate 20 is driven to move by rotating the fluted disc 33;

the debris-attracting structure operates as follows: when the punching machine normally works, the draught fan 49 is started, the inner bottom of the hollow shaft 9 has a certain gradient, the scraps and the blanking generated by punching move along the pipeline 50 under the drive of gravity and air, the blanking weight is heavy and falls into the containing box 51, the cover plate 52 is periodically opened to take out the scraps, and the scraps fall onto the filter screen 53 and then are taken out from the discharge hole;

the principle of the workpiece clamping structure is as follows: when the tube is placed on the elevator plate 54, two second cylinders 57 are operated to cause the pressure plate and cushion to clamp the tube, and the first cylinder 56 is operated to adjust the height of the elevator plate 54 and the tube according to the size of the tube.

The four-side punching device for processing the hollow pipe is characterized in that the installation mode, the connection mode or the arrangement mode of all the components are welding, riveting or other common mechanical modes, wherein the sliding/rotating fixation is that the components do not fall off in the sliding/rotating state, the sealing communication is that the two connecting pieces are communicated and simultaneously sealed, the specific structures, the models and the coefficient indexes of all the components are self-contained technologies, the beneficial effects can be realized, all the electric modules and the electric appliances are common electric appliances in the market, the electric modules can be used only by being electrically connected with one another according to the purchased instructions when bought back for use, and the control module is the common self-contained module, so the details are omitted.

In the four-side hole punching device for hollow pipe processing of the present invention, unless otherwise specified, the terms of orientation such as "up, down, left, right, front, back, inner, and outer, and vertical and horizontal" are included in the terms only to indicate the orientation of the terms in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The four-side punching device for hollow tube processing is characterized by comprising a workbench (1), wherein four corners at the bottom of the workbench (1) are respectively provided with a supporting leg, the four supporting legs are fixedly connected with a platform (2), the top of the workbench (1) is fixedly connected with a motor (3) and a base, the base comprises a base (4) fixedly connected with the top of the workbench (1) and a circular plate (5) fixedly connected with the base (4), the circular plate (5) is equidistantly provided with four strip holes, each strip hole is provided with an H-shaped sliding block (6) in a sliding manner, the rear end of each H-shaped sliding block (6) is fixedly connected with a transition shaft (7), the rear end of each transition shaft (7) is rotatably provided with a V-shaped wheel (8), the central area of the circular plate (5) is provided with a through hole, the hollow shaft (9) is fixedly connected with the through hole, and the hollow shaft (9) is equidistantly provided with four through holes (10), a first bearing (11) is arranged outside the hollow shaft (9), a first gear (12) is fixedly connected to the outer ring of the first bearing (11), an annular groove is formed in one side, close to the base, of the first gear (12), the annular groove comprises a radius consistent section (13), a radius reduced section (14) and a radius increased section (15), an outer V-shaped track (16) is arranged at one end, away from the circle center, of the inner wall of the annular groove, an inner V-shaped track (17) is arranged at one end, close to the circle center, of the inner wall of the annular groove, the V-shaped wheels (8) are in rolling fit with the outer V-shaped track (16) and the inner V-shaped track (17), a second gear (18) meshed with the first gear (12) is arranged at the output end of the motor (3), a fixing plate (19) is fixedly connected to the front end of the H-shaped sliding block (6), a square hole is formed in the middle of the fixing plate (19), an adjusting plate (20) is slidably mounted at the square hole, a punch (21) is arranged at one end, close to the hollow shaft (9), of the adjusting plate (20), the punch (21) extends into the hollow shaft (9) along the through hole, one end, far away from the hollow shaft (9), of the fixing plate (19) is fixedly connected with a door-shaped frame (22), a second bearing (23) is arranged on the door-shaped frame (22), a threaded rod (24) is arranged on the inner ring of the second bearing (23), a square cavity is formed in the threaded rod (24), a square rod (25) is arranged in the square cavity in a sliding mode, the threaded rod (24) is in threaded connection with the adjusting plate (20), one end, far away from the hollow shaft (9), of the square rod (25) is fixedly connected with a connecting shaft (26), the front side of the circular plate (5) is fixedly connected with a first circular ring (27), four third bearings (28) are equidistantly arranged on the first circular ring (27), the connecting shaft (26) is connected with inner rings of the third bearings (28), one end, far away from the hollow shaft (9), of the connecting shaft (26) is fixedly connected with a bevel gear (29), and a second circular ring (30) is fixedly connected on the front side wall of the circular plate (5), the inner ring of the second circular ring (30) is provided with a fourth bearing (31), the inner ring of the fourth bearing (31) is provided with a rotating ring (32), the front end of the rotating ring (32) is provided with a fluted disc (33), the front side wall of the fluted disc (33) is provided with teeth meshed with a bevel gear (29), an anti-reverse structure is arranged on a fixing plate (19) positioned at the top, a scrap suction structure is arranged on the platform (2), a workpiece clamping structure is arranged on the workbench (1), an operating rod (34) is fixedly connected onto the fluted disc (33), a screw (35) is in threaded connection with the operating rod (34), a plurality of limiting grooves (36) are arranged on the front side wall of the circular plate (5), and the screw (35) is inserted into one of the limiting grooves (36).

2. The four-side punching device for hollow tube processing according to claim 1, wherein the anti-reverse structure comprises a ratchet wheel (37), an anti-reverse rod (38), a connecting plate (39), a spring (40), a baffle (41), a fixing frame (42), an L-shaped pin (43), a connecting ring (44) and a pull ring (45), the ratchet wheel (37) is fixedly connected with a non-threaded area of the threaded rod (24), one end of the anti-reverse rod (38) close to the ratchet wheel (37) is in an inclined plane shape, the connecting plate (39) is fixedly connected with the door frame (22), the connecting plate (39) is provided with a communication hole, the anti-reverse rod (38) is slidably connected with the communication hole, the anti-reverse rod (38) is fixedly connected with a limiting ring (46), the spring (40) is sleeved on the anti-reverse rod (38), and two ends of the spring (40) are respectively in close contact with the limiting ring (46) and the connecting plate (39), the other end of the anti-reversing rod (38) is connected with the baffle (41), the baffle (41) is in contact with the connecting plate (39), the connecting ring (44) is connected with the baffle (41), the pull ring (45) penetrates through the connecting ring (44), the top of the anti-reversing rod (38) is provided with a slot (47), the fixing frame (42) is connected with the door-shaped frame (22), the L-shaped pin (43) penetrates through the fixing frame (42), and the bottom of the L-shaped pin (43) is in an inverted cone shape.

3. The four-side punching device for hollow pipe processing according to claim 2, wherein the debris suction structure comprises a hollow box body (48) placed on the platform (2), an induced draft fan (49) is arranged at the top of the box body (48), the input end of the induced draft fan (49) is communicated with a pipeline (50), the pipeline (50) comprises an inclined section and a vertical section, the bottom of the inclined section is communicated with a containing box (51), a cover plate (52) is arranged at the bottom of the containing box (51), the input end of the pipeline (50) is communicated with the rear end of the hollow shaft (9), an inclined filter screen (53) is arranged inside the box body (48), one side of the box body (48) close to the bottom end of the filter screen (53) is communicated with a discharge port, air outlets are communicated with the rest side walls of the box body (48), and the inner bottom of the hollow shaft (9) has a certain gradient.

4. The four-side punching device for hollow pipe machining according to claim 3, wherein the workpiece clamping structure comprises a lifting plate (54), telescopic rods (55) are arranged at four corners of the bottom of the lifting plate (54), the other ends of the telescopic rods (55) are connected with the workbench (1), a first air cylinder (56) is arranged in the central area of the bottom of the lifting plate (54), the bottom end of the first air cylinder (56) is connected with the workbench (1), transverse plates are arranged on the front side and the rear side of the top of the lifting plate (54), a second air cylinder (57) is arranged on the transverse plates, a pressing plate is arranged at the output end of the second air cylinder (57), and a cushion is arranged on the side, away from the second air cylinder (57), of the pressing plate.

5. The four-sided hole punching device for hollow tube processing as claimed in claim 4, wherein the end of the punch (21) away from the hollow shaft (9) is provided with a lower mounting plate (58), the bottom of the adjusting plate (20) is provided with an upper mounting plate, and the upper mounting plate and the lower mounting plate (58) are connected through a plurality of bolts and nuts.

6. A four-sided perforating device for hollow tube processing as claimed in claim 5, characterized in that the screw (35) is provided with a square slot at its front end.

7. The four-sided punching device for hollow pipe machining according to claim 6, wherein a notch is formed in the front side wall of each fixing plate (19), a steel plate ruler (60) is arranged on the front side wall of each fixing plate (19), and a pointer (59) which extends out of the fixing plate (19) along the notch and points to the scale of the steel plate ruler (60) is fixedly connected to the front end of each adjusting plate (20).

8. The four-sided perforating device for hollow tube processing of claim 7 wherein the bottom of the leg is provided with anti-slip lines.